CONTENTS
Prepared byHuman Nutrition Research DivisionandConsumer and Food Economics Research DivisionAgricultural Research ServiceAcknowledgment is made to Fish and Wildlife Service, U.S. Departmentof the Interior, for contributions to this publication.
Washington, D.C.Revised April 1968
Washington, D.C.
Revised April 1968
For sale by the Superintendent of Documents, U.S. Government Printing OfficeWashington, D.C. 20402—Price 30 cents